rector/phpunit.xml

<?xml version="1.0"?>
<phpunit
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
    bootstrap="tests/bootstrap.php"
    colors="true"
>
    <testsuites>
        <testsuite name="main">
            <directory>tests</directory>
            <directory>rules-tests</directory>
            <directory>packages-tests</directory>
            <directory>utils/*/tests</directory>
            <exclude>rules-tests/NetteTesterToPHPUnit/Rector/RenameTesterTestToPHPUnitToTestFileRector/Source/*</exclude>
        </testsuite>
    </testsuites>

    <php>
        <ini name="memory_limit" value="-1" />
        <const name="RECTOR_REPOSITORY" value="true"/>
        <env name="XDEBUG_MODE" value="coverage"/>
        <env name="KERNEL_CACHE_DIRECTORY" value="tmp/rector/cache"/>
    </php>
</phpunit>